Steeltoothbit can increase the bit's stability and lower the tooth impact load, and enhance its wear resistance.
钢齿牙轮钻头增强了工作的平稳性，降低了牙齿的冲击载荷，使牙轮钻头的耐磨性能得到提高；
2
Along with the oil prospecting and production, the existent drilling bit (steel and tungsten carbide toothbit) was not effective in some complicated stratum.